75876667891 has 2 divisors, whose sum is σ = 75876667892. Its totient is φ = 75876667890.

The previous prime is 75876667813. The next prime is 75876667897. The reversal of 75876667891 is 19876667857.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75876667891 - 2³⁵ = 41516929523 is a prime.

It is a super-2 number, since 2×75876667891² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75876667891.

It is not a weakly prime, because it can be changed into another prime (75876667897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37938333945 + 37938333946.

It is an arithmetic number, because the mean of its divisors is an integer number (37938333946).

Almost surely, 2^75876667891 is an apocalyptic number.

75876667891 is a deficient number, since it is larger than the sum of its proper divisors (1).

75876667891 is an equidigital number, since it uses as much as digits as its factorization.

75876667891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 213373440, while the sum is 70.

The spelling of 75876667891 in words is "seventy-five billion, eight hundred seventy-six million, six hundred sixty-seven thousand, eight hundred ninety-one".